Yomidas Rekishikan contains Yomiuri Shinbun articles from the latest going back to 1874. Use the "Meiji, Taisho, Showa" tab and "Heisei" tab to search for articles printed in the domestic (Japanese-language) edition of the paper. "The Japan News" is a database of English-language news published by Yomiuri.
Articles in the Meiji, Taisho, Showa database (1874-1989) will be displayed as image.
The Heisei (1989-) database is text based, with an option to diplay the original (print) page as an image.